exfat: add the free_block_count() callback implementation.
tree415cd792877e0bf1022b3bb4314f29dcc6bb1a66
-rw-r--r-- 16837 HelenOS.config
-rw-r--r-- 3747 Makefile
drwxr-xr-x - abi
drwxr-xr-x - boot
drwxr-xr-x - contrib
drwxr-xr-x - defaults
drwxr-xr-x - kernel
drwxr-xr-x - release
drwxr-xr-x - tools
drwxr-xr-x - uspace
-rw-r--r-- 1940 version